.snake {
  position: absolute;
  left: 0;
  top: 0;
  z-index: 3;
}

.snake-item {
  position: absolute;
  left: 0;
  top: 0;
  background-color: #8f99a8;
  border: 1px solid #6f6c6c;
}

.snake-item:first-child {
  z-index: 1000;
  background-color: #96c0fb;
}